Encyclopedia > Concave lens

  Article Content

Concave lens

A concave lens is a lens that is curved inward: the ends are wide, the middle is small. Light passing through refracts focused. Concave lenses can be used in telescopes, microscopes and glasses.

Compare: Convex lens



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Quadratic formula

... formula The quadratic formula expresses the explicit solution(s) x to the quadratic equation <math>ax^2+bx+c=0</math> in terms of the coefficients a, b ...

 
 
 
This page was created in 21.5 ms